A fast heartbeat can be caused by emotions like stress or anxiety. Dehydration, or drinking caffeine or other stimulants, can ...

Heart palpitations are a common concern among patients, according to Dr. Robert Stauffer, a cardiologist at Washington ...

Your heart beats about 100,000 times a day. Sometimes it beats faster and sometimes more slowly, depending on what you're doing and whether, for instance, you're all worked up about something. So ...

Atrial fibrillation (AFib) is a heart condition characterized by an irregular and often rapid heartbeat. However, some individuals may experience a standard heart rate without medication, depending on ...

A heart that beats too fast can leave you lightheaded, dizzy, out of breath or feeling fatigued.

Chest pain or palpitations can signal hidden heart trouble. Know when an ECG test is needed, what results show, and when to seek urgent care.

It's a common yet uncomfortable sensation when the heart beats rapidly for a second or two and then becomes normal. Whether it occurs when one is resting, after going up the stairs, or even while ...

Weight management is beneficial to heart health, but losing weight too quickly may cause cardiac problems, such as arrhythmias. Researchers are still trying to learn more. Weight loss is a common ...